We got these little brushes to use for oiling the iron when we make waffles (about once a month). The brush holds butter or oil much better than the ones with silicone bristles. Since the handle portion is all plastic, there's no rusting when washing. Seems sturdy and there was absolutely no bristle loss. Seems like it may last a while, but they're so inexpensive that we could easily dispose of them frequently without worry. I've also taken one and set it aside to use for dusting small, delicateSee full review